<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="../reset.css">
    <style>
        body {
            background-color: yellowgreen;
        }

        .left-nav {
            width: 190px;
            height: 450px;

            padding: 10px 0;

            background-color: #FeFeFe;

            margin: 50px auto;
        }

        .left-nav > div {
            height: 25px;
            line-height: 25px;
            padding-left: 18px;

            font-size: 12px;
        }

        .left-nav > div:hover {
            background-color: #d9d9d9;
        }

        .left-nav > div > a {
            font-size: 14px;

            color: black;
            text-decoration: none;
        }
        .left-nav > div > a:hover{
            color: #c81623;
        }

    </style>
</head>
<body>
<nav class="left-nav">
    <div>
        <a href="javascript:;">家用电器</a>
    </div>
    <div>
        <a href="javascript:;">手机</a>/<a href="javascript:;">运营商</a>/<a href="javascript:;">数码</a>
    </div>
    <div>
        <a href="javascript:;">手机</a>/<a href="javascript:;">运营商</a>/<a href="javascript:;">数码</a>
    </div>
    <div>
        <a href="javascript:;">手机</a>/<a href="javascript:;">运营商</a>/<a href="javascript:;">数码</a>
    </div>
    <div>
        <a href="javascript:;">手机</a>/<a href="javascript:;">运营商</a>/<a href="javascript:;">数码</a>
    </div>
    <div>
        <a href="javascript:;">手机</a>/<a href="javascript:;">运营商</a>/<a href="javascript:;">数码</a>
    </div>

</nav>
</body>
</html>